yes, permission

CONSENT
List of words for the clue yes, permission from the crossword:
OUI AYE ORNO MAYI NOD SISI SIREE LET SIR SANCTION LEAVE CANI ASK ALLOW ICAN SIRREE IDO LICENSE ASKS
WordClue
YESconsent, permission
ACCORDconsent
ASSENTconsent, agreement
SANCTIONallowance, permission
AGREEMENTconsent, permission
ALLOWANCEpermission, authorization
COMPLIANCEconsent, acquiescence
PERMISSIONconsent
AUTHORIZATIONPermission
CONSENTyes
KIKEyid, hymie